INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a66a7f9d9e4266c8b31f321acdaf8885fe75063c9e8ffbfeeed113db34c87892', 
    't8hjTAErHbZ2gfd9peKLQC7GlzuczvWKIn3f//47lgw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)